Botaby tooth-brush



C. G. WAUDBY.

ROTARY TOOTH BRUSH.

APPLlcAxoN mso SEPT. 22. 19'15.

Patented Aug. 8, 1916,

Eliiiii., @v

UNITED sTArEs PATENT OFFICE.

cLAitEcE GLADsToNE WAUDBY, or JACKSON, MICHIGAN.

ROTARY TOOTH-Bansin 'tknown that I, CLARENCE America, residing at'Jackson, in the county of `Jackson and State of Michigan, have in- 'vented certain' new yand useful Improvements in Rotary Tooth-Brushes; andA I do "hereby ydeclare the following -to be a full,

clear, and eiiact'description of the invention, such as will enable others' skilled inthe art to which it yappertains to make and use ,i -.This"invention relates to a-rotary brush fin which a brush provided the.,y embodiment tion 'to `p rovide al is operated back and forth a umher.oftrevolutions through 4the medi m'of a manually operated plunger forminga partof the mechanism of the brush.`

.It is an'object and purpose of my invendevice. of this character fof. yEvery. 4simple and f economical construction and to eq'uip said device with many novel "details of' construction and arrangement of very durable be readily and easily operated and4 used for a long period of time without liability of the parts gettingfout of order.y To these ends I have illustrated in the 'lg drawing, in which is la.vertical section taken longiparts for lthe attainment "of a accompanyif Figure t'udinally'of the brush. Fig. 2 is a side.

elevation thereof., Fig. 3 is a view looking "toward" the fleftAk end of Fig. .2. Fig. 4 is a sectional view on the line 4 4: of-r Fig. 2;

and Figs. 5, 6y and 7 are sections taken, respectively,on the lines 5-5, 6.-6 and 7.-'7 of Fig.` 1 looking in the lirectlon indicated y bythe arrows.

-Like reference characters refer to like i parts throughout,l the several views of thev drawing.

In the construction of my improved brush `there is provided a tubular member 1 in which a tubular 'plunger 2 telescopes, this I. is forced inwardly against a spring which -placing his thumb yfirst lfinger around 'latter member at its v.

secured 1n any suitable manner while the end having a head 3 first member 1' is provided with a; curved vfinger hold 4. 'In operation the plunger2 is inclosed within tube 1 by the operator upon the head 3 and the 'the linger hold 4. The

end of the member furthe passage of the plunger 2 andfwhich ySpecification of Letters Patent.

. A GLADsToNii WAUDBY, avv citizen ofthe United States o f i the plunger,

1 is equipped with a screw threaded cap 6 which has an, pening through and whichv is vformed from wire doubled and twisted together' as shown, this a, Patentefhflug- S', 1916. hAppliicationled September 22,1915.` Seria1N '51,973

wire passing.the-lengtl1.0f the tube 1f and i through a slot 9a'in a collar 9-securedat the .inner fend ofthe plunger2. It will be apparent that as the plunger is forced into the 'tube 1 the shaft 8 is made to rotate,in`this manner turning the cylindrical brush 10 which ispositioned at the end of the shaft 8 beyond'ithe tube 1, a disk 10a secured to the shaft 8 and normallybearin'g against the collar 7 andthe end of the tube 1 serving to keep the bristles of the brush from entanglement with the collar. its outer end is' formed with' a rounded head whlch seats'in a bearing 11 p ressed inthe end of shield 12 normally 'covering the upper portion of the brush, being pivotally connected by the pivot pin 13 to a` collar 11 secured at the end of the tubular member l. In practice a collar lts over collar 11 and bears against a shoulder of the shield holding4 it in its operative position, but if desired, this collarimay be moved to tlierear and the shield turned about its pivot after disengagement from the shaftI 8 to permit of thebrush and shaft forL the removal cleaning or fdr replacement by a fnew brush whenever desired. The collar Shaft 8- at knurled to add to the appearance and the fnger hold l and head 3 may be given any desired ornamental appearance.

2 ispressed inwardly the brush is rotated rapidly in one direction. and 'when the release of pressure on the head 3'occurs spring 5 folces the tube outwardly, the brush :ro-

tating in the opposite direction. v I claim:- s l 1. In combination, `a tubular member, a plunger telescoping therein, a spring in said member normally/resisting the entrance of aslrft having a brush on vone end inserted in the tubular member and into the plunger, means to automatically rotate the shaft on movements of the plunger, a shield pivotally carried by the tubular member adapted to partially cover the brush andy a bearing' in theshield for one end ofl the shaft,-said bearing` being moved away from theshaft on pivotal movement of the shield, thereby freeing the shaft for remm'n.

2. u cmnblmton, :1 tubular member. :1 spring therein, :1 finger hold ou Said mem- 5 berna plunger inserted in smid men'lber und bei', a sbied pivotallymeunier! mrsaid tu- Vul-:ir member `bavil'rg e beruingr for the end the shaft, and a brush on the shaftpzu 1.5 `tmlly inlesed by .the:shield.

3. In combination, :1 tubuler member, `a Shaft 'removably m'onnted therein, u shield pvotally mounted on the tubular member, u brush 0n the shaft partinJLv-,inlqsed by the shield, a, `bearing in the shield receiving lthe end of the shaft. and means to manually rotate the shaft and brrlsb,substantially as described.

ture.

CLARENCE GLDSTONII` WAUDBY. 

